Johnson and Sock survived five-set marathon matches on day one.
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2020 |
Roland Garros ATP
|
1/64 | Roberto Carballes Baena |
1-6
1-6 0-6 |
| 2020 |
US Open ATP
|
1/32 | Richard Berankis |
7-5
6-2 1-6 7-6 |
| 2020 |
US Open ATP
|
1/64 | Steve Johnson |
6-7
6-3 6-7 6-3 7-6 |
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2020 |
Roland Garros WTA
|
1/64 | Sloane Stephens |
6-2
6-2 |
| 2020 |
Western & Southern Open, Qualification
|
1/24 (Special Qual) | Nina Stojanovic |
2-6
4-6 |
